520260489

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6899}}^1$

素因数の和:6944

約数の個数: 60

約数和(自身を含む): 951786000

約数和(自身を除く): 431525511

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 399, 441, 513, 567, 931, 1197, 1323, 1539, 2793, 3591, 3969, 6899, 8379, 10773, 20697, 25137, 48293, 62091, 75411, 131081, 144879, 186273, 338051, 393243, 434637, 558819, 917567, 1014153, 1179729, 1303911, 2752701, 3042459, 3539187, 3911733, 6422969, 8258103, 9127377, 10617561, 19268907, 24774309, 27382131, 57806721, 74322927, 173420163, 520260489]

約数ペア:

[(1, 520260489), (3, 173420163), (7, 74322927), (9, 57806721), (19, 27382131), (21, 24774309), (27, 19268907), (49, 10617561), (57, 9127377), (63, 8258103), (81, 6422969), (133, 3911733), (147, 3539187), (171, 3042459), (189, 2752701), (399, 1303911), (441, 1179729), (513, 1014153), (567, 917567), (931, 558819), (1197, 434637), (1323, 393243), (1539, 338051), (2793, 186273), (3591, 144879), (3969, 131081), (6899, 75411), (8379, 62091), (10773, 48293), (20697, 25137)]